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posthog

The subprocessor list as we last read it, on Nov 12, 2026.

Dates are when we read the list (UTC), not when posthog changed it. Between two readings we don't know what it said.

Sep 22 Oct Nov on Sep 22: first reading Sep 23: document changed, list as published the same Sep 30: document changed, list as published the same Oct 1: document changed, list as published the same Oct 11: check failed or page blocked Oct 12: check failed or page blocked Oct 13: check failed or page blocked Oct 14: check failed or page blocked Oct 15: check failed or page blocked Oct 16: check failed or page blocked Oct 17: check failed or page blocked Oct 18: check failed or page blocked Oct 19: check failed or page blocked Oct 20: check failed or page blocked Oct 21: check failed or page blocked Oct 22: check failed or page blocked Oct 29: document changed, list as published the same Oct 30: read, list unchanged Oct 31: read, list unchanged Nov 1: read, list unchanged Nov 2: read, list unchanged Nov 3: read, list unchanged Nov 4: read, list unchanged Nov 5: read, list unchanged Nov 6: read, list unchanged Nov 7: document changed, list as published the same Nov 8: read, list unchanged Nov 9: read, list unchanged Nov 10: read, list unchanged Nov 11: read, list unchanged Nov 12: read, list unchanged Sep 22 Oct Nov on Sep 22: first reading Sep 23: document changed, list as published the same Sep 30: document changed, list as published the same Oct 1: document changed, list as published the same Oct 11: check failed or page blocked Oct 12: check failed or page blocked Oct 13: check failed or page blocked Oct 14: check failed or page blocked Oct 15: check failed or page blocked Oct 16: check failed or page blocked Oct 17: check failed or page blocked Oct 18: check failed or page blocked Oct 19: check failed or page blocked Oct 20: check failed or page blocked Oct 21: check failed or page blocked Oct 22: check failed or page blocked Oct 29: document changed, list as published the same Oct 30: read, list unchanged Oct 31: read, list unchanged Nov 1: read, list unchanged Nov 2: read, list unchanged Nov 3: read, list unchanged Nov 4: read, list unchanged Nov 5: read, list unchanged Nov 6: read, list unchanged Nov 7: document changed, list as published the same Nov 8: read, list unchanged Nov 9: read, list unchanged Nov 10: read, list unchanged Nov 11: read, list unchanged Nov 12: read, list unchanged

tall: list changed · medium: document changed · short: read, no change · x: check failed · dashed: no check recorded · dotted: change dates only. Tap a tick or use the date box.

We record change dates, not every check, before Oct 11, 2026.

We have published no changes to this vendor's list; our first reading was Sep 22, 2026.
Read Nov 12, 2026 · 12 companies named as a subprocessor · stored document

NamePurposeLocationFirst read
Amazon Web Services, Inc. Cloud storage of PostHog Cloud data; Service Provider for AI Features; managed AI model inference provider
Global (dynamic, worldwide) — locations are determined by Amazon Web Services, Inc. based on model availability and cross-region inference routing; USA (PostHog US Cloud) or Germany (PostHog EU Cloud)
Anthropic PBC AIService Provider for AI FeaturesUSA
Baseten Labs, Inc. AIService Provider for AI FeaturesUSA
Cloudflare, Inc. Managed reverse proxy, edge-network, content delivery, security, and traffic routing services of infrastructure; Service Provider for AI Features
Global edge locations (dynamic, worldwide) for data in transit — locations are determined by Cloudflare, Inc. in accordance with their network operation; Global edge locations (dynamic, worldwide) — locations are determined by Cloudflare, Inc. in accordance with their network operation
Fireworks.ai, Inc. AIService Provider for AI FeaturesUSA
Google LLC Service Provider for AI FeaturesUSA
Hiberly Ltd. Provision of the PostHog servicesUnited Kingdom
Microsoft Corporation Service Provider for AI FeaturesUSA; Germany
Modal Labs, Inc. Serverless compute infrastructure for isolated code execution; Service Provider for AI FeaturesUSA; USA (PostHog US Cloud) or Germany (PostHog EU Cloud)
OpenAI, L.L.C. AIService Provider for AI FeaturesUSA; EEA; Switzerland
Runpod, Inc. Service Provider for AI FeaturesUSA; Czech Republic; France; Netherlands; Romania; Sweden; Iceland
Wiz, Inc. Security vulnerability management and detectionGermany; France

Affiliates it names

NamePurposeLocationFirst read
PostHog GmbH Provision of the PostHog servicesGermany

Built from the changes we published; changes we recorded without an alert (parser fixes, entries approved after review) don't appear. Where we later improved how we read a list, an earlier list may look different from the vendor's page at the time.

Gaps in our readings

All readings (31)
DateResult
read, unchangedview compare
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read, document changedview compare
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check failed or page blockedview compare
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read, document changedview compare
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first readingview compare

History starts Sep 22, 2026. Dates are UTC. Data CC BY 4.0. Shown as stored when this page was built.